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CN-224226128-U - Grabbing device

CN224226128UCN 224226128 UCN224226128 UCN 224226128UCN-224226128-U

Abstract

The utility model discloses a grabbing device which comprises a bottom plate, wherein a plurality of first openings are formed in the bottom plate and are arranged along a first direction, a supporting shaft penetrating through the first openings along the first direction is arranged on the bottom plate, a rotatable connecting rod arranged in the first openings is arranged on the supporting shaft, one end of the connecting rod is connected with a gripper, the other end of the connecting rod is connected with a first power source for driving the connecting rod to rotate, the gripper comprises a contact part, a connecting part and a fixing part, the fixing part is connected with the connecting rod, the connecting part is connected with the fixing part and the contact part, and the connecting part is arc-shaped. The tongs include fixed part, connecting portion and contact portion, and the contact portion inserts in the bag body, and first power supply is through connecting the tongs and drive the tongs and rotate to make the contact portion can rotate from vertical state time horizontal state, thereby make the contact portion can with the inner wall contact of the bag body, be convenient for wholly mention the bag.

Inventors

  • CHEN YUANLAI
  • HE FEI
  • CHEN JINYANG
  • SHAO YAN
  • WANG ZETAO

Assignees

  • 浙江培恩科技有限公司

Dates

Publication Date
20260512
Application Date
20250514

Claims (9)

  1. 1. The utility model provides a grabbing device, its characterized in that, includes bottom plate (200), a plurality of first openings (220) of arranging along the first direction are seted up to bottom plate (200), back shaft (210) of each first opening (220) are passed along the first direction to bottom plate (200), rotatable connecting rod (400) in arranging first opening (220) are installed to back shaft (210), one end of connecting rod (400) is connected with tongs (500), the other end of connecting rod (400) is connected with drive connecting rod (400) pivoted first power supply (111), tongs (500) include contact portion (510), connecting portion (520) and fixed part (530), connecting portion (530) are connected connecting rod (400), connecting portion (520) are connected fixed part (530) and contact portion (510), connecting portion (520) are the arc.
  2. 2. A gripping device according to claim 1, characterised in that the centre of the connecting portion (520) coincides with the centre of the support shaft (210).
  3. 3. A gripping device according to claim 1, characterized in that the end of the connecting rod (400) facing the grip (500) is provided with a connecting groove (403), the connecting groove (403) being provided with a connecting block (531) embedded in the connecting groove (403).
  4. 4. A gripping device according to claim 1, characterised in that the end of the contact portion (510) opposite to the end where the connection portion (520) is connected is tapered.
  5. 5. The grabbing device according to claim 1, further comprising a connection plate (100), wherein the first power source (111) is mounted on the connection plate (100), and an output end of the first power source (111) extends towards the bottom plate (200) and is connected with a moving plate (300), and the moving plate (300) drives the connection rod (400) to rotate.
  6. 6. The grabbing device according to claim 5, wherein the moving plate (300) is connected with a moving frame (310), the moving frame (310) is provided with an arc-shaped sliding rail (311), the connecting rod (400) is connected with a connecting shaft (410) penetrating through the sliding rail (311) and capable of moving along the sliding rail (311), the moving frame (310) moves to drive the connecting rod (400) to rotate, and the connecting rod (400) rotates to drive the gripper (500) to rotate.
  7. 7. The grabbing device according to claim 5, wherein a supporting rod (120) is installed between the bottom plate (200) and the connecting plate (100), one end of the supporting rod (120) is fixed with the bottom plate (200), the other end of the supporting rod (120) penetrates through the connecting plate (100), and a spring (121) is sleeved on the supporting rod (120).
  8. 8. The gripping device according to claim 6, further comprising a second power source (330), wherein an output end of the second power source (330) extends through the base plate (200) to below the base plate (200) and is connected with a push plate (331), the push plate (331) is connected with a guide rod (332) passing through the base plate (200) and the movable frame (310), and the guide rod (332) passes through a center line of the movable frame (310).
  9. 9. The grabbing device as claimed in claim 1, wherein the contact portion (510) is inserted into the bag body (600) so that the connection portion (520) contacts the bag body (600), a contact point between the connection portion (520) and the bag body (600) is a first contact point (700), a distance between the first contact point (700) and the support shaft (210) is L, an angle between a connecting line between the first contact point (700) and the support shaft (210) and the bag body (600) is a, and both L and a remain unchanged when the connecting rod (400) drives the gripper (500) to rotate.

Description

Grabbing device Technical Field The utility model relates to bagged material grabbing equipment, in particular to a grabbing device. Background When the bagged materials are fed, the bottom of the bag is required to be scratched, and then the bag is rocked to enable the materials in the bag to be completely poured into the hopper. The existing bagged materials are mainly clamped to the bag through the clamping jaw when being grabbed, so that the bag can be moved, but the clamping force of the clamping jaw to the bag is insufficient when the materials in the bag are poured out, and the bag is at risk of falling. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provide a grabbing device capable of preventing bags from falling. In order to achieve the purpose, the grabbing device comprises a bottom plate, wherein a plurality of first openings are formed in the bottom plate and are arranged along a first direction, a supporting shaft penetrating through the first openings along the first direction is arranged on the bottom plate, a rotatable connecting rod arranged in the first openings is arranged on the supporting shaft, one end of the connecting rod is connected with a gripper, the other end of the connecting rod is connected with a first power source for driving the connecting rod to rotate, the gripper comprises a contact part, a connecting part and a fixing part, the fixing part is connected with the connecting rod, the connecting part is connected with the fixing part and the contact part, and the connecting part is arc-shaped. Further, the circle center of the connecting part coincides with the circle center of the supporting shaft. Further, a connecting groove is formed in one end, facing the gripper, of the connecting rod, and a connecting block embedded in the connecting groove is arranged in the connecting groove. Further, the end of the contact part opposite to the connecting end of the connecting part is conical. Further, the device further comprises a connecting plate, the first power source is installed on the connecting plate, the output end of the first power source extends towards the bottom plate and is connected with a moving plate, and the moving plate drives the connecting rod to rotate. Further, the movable plate is connected with a movable frame, the movable frame is provided with an arc-shaped sliding rail, the connecting rod is connected with a connecting shaft which penetrates through the sliding rail and can move along the sliding rail, the movable frame moves to drive the connecting rod to rotate, and the connecting rod rotates to drive the gripper to rotate. Further, a supporting rod is installed between the bottom plate and the connecting plate, one end of the supporting rod is fixed with the bottom plate, the other end of the supporting rod penetrates through the connecting plate, and a spring is sleeved on the supporting rod. Further, the device also comprises a second power source, wherein the output end of the second power source penetrates through the bottom plate to extend to the lower part of the bottom plate and is connected with a push plate, the push plate is connected with a guide rod penetrating through the bottom plate and the movable frame, and the guide rod penetrates through the central line of the movable frame. Further, the contact portion is inserted into the bag body so that the connection portion is in contact with the bag body, a contact position of the connection portion and the bag body is a first contact point, a distance between the first contact point and the support shaft is L, an angle between a connecting line between the first contact point and the support shaft and the bag body is A, and both the L and the A remain unchanged when the connecting rod drives the gripper to rotate. In summary, the utility model has the following beneficial effects: The tongs include fixed part, connecting portion and contact portion, and the contact portion inserts in the bag body, and first power supply is through connecting the tongs and drive the tongs and rotate to make the contact portion can rotate from vertical state time horizontal state, thereby make the contact portion can with the inner wall contact of the bag body, be convenient for wholly mention the bag. Drawings FIG. 1 is a schematic view of a gripping device; FIG. 2 is a schematic view of the structure with the baffles removed; FIG. 3 is a schematic view of the structure after the gripper is actuated; FIG. 4 is a front view of FIG. 3; FIG. 5 is a schematic structural view of the connection relationship of the gripper, the connecting rod and the movable frame; FIG. 6 is a schematic view of the structure of the gripper; FIG. 7 is a schematic view of a structure of a moving plate; FIG. 8 is a schematic structural view of a base plate; FIG. 9 is a schematic view of a structure of a connecting rod; FIG. 10 is a schematic view of a gripper rotation process; Refer